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psa_its: Annotate file removal after a failed creation

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Let static analyzers know that it's ok if remove() fails here.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-08-25 22:49:19 +02:00
parent 14613bcd75
commit bab1b52048
1 changed files with 6 additions and 1 deletions
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7
library/psa_its_file.c
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@ -233,7 +233,12 @@ exit:
if( rename_replace_existing( PSA_ITS_STORAGE_TEMP, filename ) != 0 )
status = PSA_ERROR_STORAGE_FAILURE;
}
remove( PSA_ITS_STORAGE_TEMP );
/* The temporary file may still exist, but only in failure cases where
* we're already reporting an error. So there's nothing we can do on
* failure. If the function succeeded, and in some error cases, the
* temporary file doesn't exist and so remove() is expected to fail.
* Thus we just ignore the return status of remove(). */
(void) remove( PSA_ITS_STORAGE_TEMP );
return( status );
}